Cita APA (7a ed.)

Ballard, P. B. (1929). The changing school (4th imp.). University.

Cita Chicago Style (17a ed.)

Ballard, Philip Boswood. The Changing School. 4th imp. London: University, 1929.

Cita MLA (9a ed.)

Ballard, Philip Boswood. The Changing School. 4th imp. University, 1929.